agenttesla | caef9e906b0768d4134a8fc2a9523554b23bb9980668c299106d1ace32cbbaef

General

Target

INV & Packing List.exe
Size

807KB
MD5

40264f53f0f83bfd21df75e22db2b0ea
SHA1

93171e1bd1c33212724b3b3e5238f0c83531fc7e
SHA256

caef9e906b0768d4134a8fc2a9523554b23bb9980668c299106d1ace32cbbaef
SHA512

7f7f85a39e3bce3f3c0465c97a3367f2d2860bfeb67d3f7a17f8342c7742d1280681fdefda5d1f418f64da22b7e6877e677134d8c36628389c06f4465fe9bfd6
SSDEEP

24576:NU676CSkFg/IyXt5TKhwlZzE9H/0XPG5X:KlkoXfxZsf6Q

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.strictfacilityservices.com
Port:
587
Username:
[email protected]
Password:
SFS!@#321
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

INV & Packing List.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	INV & Packing List.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

INV & Packing List.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

31 api.ipify.org
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

INV & Packing List.exe

description pid process target process

PID 1616 set thread context of 3344 1616 INV & Packing List.exe INV & Packing List.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2812 schtasks.exe

flow	ioc
31	api.ipify.org
32	api.ipify.org

description	pid	process	target process
PID 1616 set thread context of 3344	1616	INV & Packing List.exe	INV & Packing List.exe

pid	process
2812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

INV & Packing List.exeINV & Packing List.exe

pid	process
1616	INV & Packing List.exe
1616	INV & Packing List.exe
1616	INV & Packing List.exe
3344	INV & Packing List.exe
3344	INV & Packing List.exe
3344	INV & Packing List.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INV & Packing List.exeINV & Packing List.exe

description pid process

Token: SeDebugPrivilege 1616 INV & Packing List.exe
Token: SeDebugPrivilege 3344 INV & Packing List.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INV & Packing List.exe

pid process

3344 INV & Packing List.exe

description	pid	process
Token: SeDebugPrivilege	1616	INV & Packing List.exe
Token: SeDebugPrivilege	3344	INV & Packing List.exe

pid	process
3344	INV & Packing List.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INV & Packing List.exe

description	pid	process	target process
PID 1616 wrote to memory of 2812	1616	INV & Packing List.exe	schtasks.exe
PID 1616 wrote to memory of 2812	1616	INV & Packing List.exe	schtasks.exe
PID 1616 wrote to memory of 2812	1616	INV & Packing List.exe	schtasks.exe
PID 1616 wrote to memory of 1432	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 1432	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 1432	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe
PID 1616 wrote to memory of 3344	1616	INV & Packing List.exe	INV & Packing List.exe

outlook_office_path 1 IoCs

Processes:

INV & Packing List.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe

outlook_win_path 1 IoCs

Processes:

INV & Packing List.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV & Packing List.exe

C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe
"C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWbWWa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2599.tmp"
2⤵
- Creates scheduled task(s)
PID:2812

C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe
"{path}"
2⤵
PID:1432

C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2599.tmp

Filesize
1KB

MD5
f82b0dcce696ab3a62beb79a4775cda4

SHA1
4d5a9d41701ecb4afd62c12330fa5f118ce48850

SHA256
0aae8167b823d607e092689e83148e28772e142df2c5e1f7ac7cc6ff42d73d3f

SHA512
d51e8f5b617a568fba2be0c7b53b057a023d57de165fa32421ea67eb1e016289586e233f3c8e640ba7be1fd292dca1837f4f508ddb37fac6a18085e19b681c1b

Download Submit
memory/1432-139-0x0000000000000000-mapping.dmp

Download
memory/1616-132-0x0000000000F30000-0x0000000001000000-memory.dmp

Filesize
832KB

Download
memory/1616-133-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/1616-134-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/1616-135-0x0000000005B70000-0x0000000005C0C000-memory.dmp

Filesize
624KB

Download
memory/1616-136-0x0000000005AA0000-0x0000000005AAA000-memory.dmp

Filesize
40KB

Download
memory/2812-137-0x0000000000000000-mapping.dmp

Download
memory/3344-140-0x0000000000000000-mapping.dmp

Download
memory/3344-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3344-142-0x0000000006340000-0x00000000063A6000-memory.dmp

Filesize
408KB

Download
memory/3344-143-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads